11116611009 has 24 divisors (see below), whose sum is σ = 18355896000. Its totient is φ = 6350734368.

The previous prime is 11116610971. The next prime is 11116611047. The reversal of 11116611009 is 90011661111.

It is an interprime number because it is at equal distance from previous prime (11116610971) and next prime (11116611047).

It is not a de Polignac number, because 11116611009 - 2¹¹ = 11116608961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11116612009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254242 + ... + 294740.

It is an arithmetic number, because the mean of its divisors is an integer number (764829000).

Almost surely, 2^11116611009 is an apocalyptic number.

It is an amenable number.

11116611009 is a deficient number, since it is larger than the sum of its proper divisors (7239284991).

11116611009 is a wasteful number, since it uses less digits than its factorization.

11116611009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44869 (or 44866 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 11116611009 in words is "eleven billion, one hundred sixteen million, six hundred eleven thousand, nine".